Dip switch setting (sw1) -4, I/o port address select (sw1-1) -4, 3 dip switch setting (sw1) – Acrosser AR-B1047 User Manual
Page 11: 1 i/o port address select (sw1-1)
AR-B1047 User’s Guide
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2.3 DIP SWITCH SETTING (SW1)
There is 1-DIP Switch located on the AR-B1047. If you want to use the 12V FLASH, please use the external 12V
voltage, the AR-B1047 does not support the 12V voltage. It performs the following functions:
ON
1
2
3
4
5
6
OFF
7
8
SW1
Figure 2-8 SW1: Switch Select
SW1-1
Sets the base I/O port address
SW1-2 & SW1- 7
Sets the starting memory address
SW1-3 & SW1-4
Sets the drive number of solid state disk
SW1-5 & SW1-6
Sets the used ROM memory chips
SW1-8
Set the DiskOnChip
2.3.1 I/O Port Address Select (SW1-1)
SW1-1 is provided to select one of the two base port addresses for the solid state disk. The AR-B1047 occupies 2
I/O port addresses. Following state selections of base port address.
Switch 1 (SW1-1)
Base Port
Solid State Disk
OFF 224h
224h-227h
ON 2A4h
2A4h-2A7h
Table 2-1 I/O Port Address Select
2.3.2 SSD & DiskOnChip Firmware Address Select (SW1-2, SW1-7 & SW1-8)
The AR-B1047’s SSD firmware occupies 8KB of memory. SW1-2 and SW1-7 are used to select the memory base
address. You must select an appropriate address so that the AR-B1047 will not conflict with memory installed on
other add-on memory cards. Additionally, be sure not to use shadow RAM area or EMM driver’s page frame in this
area.
Switch 2
(SW1-2)
Switch 7
(SW1-7)
Switch 8
(SW1-8)
BIOS
Memory
Address
Bank
Memory
Address
D.O.C.
Memory
Address
OFF OFF OFF
CC00h
CE00h
D000h
ON OFF OFF
D000h
D200h
D400h
OFF OFF ON CC00h
CE00h --
ON OFF ON
D000h
D200h --
OFF ON OFF -- CE00h
CC00h
ON ON OFF -- D200h
D000h
OFF ON ON --
--
--
ON ON ON -- -- --
Table 2-2 SSD Firmware Address Select
If you are not going to use the solid-state disk (SSD), you can adjust the SW1-7 to disable the SSD BIOS. The
AR-B1047 will not occupy any memory address if the SSD BIOS disabled.
If you are going to install the EMM386.EXE driver, please use the [X] option to prevent EMM386.EXE from using
the particular range of segment address as an EMS page is used by AR-B1047. For example, write a statement in
the CONFIG.SYS file as follow: (If the memory configuration of AR-B1047 is CC00:0)
DEVICE=C:\DOS\EMM386.EXE X=CC00-CFFF